﻿    var talented="网站公告";
    var imgUrl="images1/005.jpg";
    // JavaScript Document
    var divLeft = 10;
    //设置广告块初始左边位置 
    var divTop = 10;
    //设置广告块初始顶部位置 
    var divWidth = 50;
    //设置广告块宽度 
    var divHeight = 50;
    //设置广告块高度 
    var divImg = imgUrl;
    //设置广告图片的URL地址 
    var divUrl = "/gonggao.aspx";
    //设置广告链接 
    var divTitle = talented;
    //设置div标题
    document.write("<DIV id=\"adDiv\" style=\"position:absolute; left:"+divLeft);
    document.write("px; top:"+divTop+"px; width:"+divWidth+"px; height:"+divHeight);
    document.write("px; z-index:1;\" onMouseOver=\"javascript:window.clearInterval(varId)\"");
    document.write(" onMouseOut=\"javascript:beginMoveAd();\"><a href=\""+divUrl+"\" target=\"_blank\">");
    document.write("<img src=\""+divImg+"\" border=\"0\" alt=\""+divTitle+"\"><font style=\"color:#99FF66;caption-side:inherit;\" size=\"-4\"></font><br></a>");
    document.write("<a href=\"javascript:\" onclick=\"document.getElementById('adDiv').style.display='none';\">");
    document.write("<font color=\"#FFFFFF\"  size=\"-4\">关闭X</font></a>");
    document.write("</DIV>");
    //飘浮广告 
    var _stepx=2;_stepy=2;
    //初始化每次偏离的象素 
    var moveSpeed=20;
    //速度 
    var varId;
    //获取setInterval的ID 
    function moveAd()
    {
    //飘浮广告主函数
    var adLeft=parseInt(adDiv.style.left);
    var adTop=parseInt(adDiv.style.top);
    var adWidth=parseInt(adDiv.style.width);
    var adHeight=parseInt(adDiv.style.height);
    var _bodyLeft=document.body.scrollLeft;
    var _bodyTop=document.body.scrollTop;
    var _bodyHeight=document.body.clientHeight+_bodyTop;
    var _bodyWidth=document.body.clientWidth+_bodyLeft;
    if(adLeft<=_bodyLeft)
    {
         _stepx=2;
    }
    if(adTop<=_bodyTop)
    {
        _stepy=2;
    } 
    if((adLeft+adWidth)>=_bodyWidth)
    {
        _stepx=-2;
    }
    if((adTop+adHeight)>=_bodyHeight)
    {
        _stepy=-2;
    }
        adDiv.style.left=adLeft+_stepx;
        adDiv.style.top=adTop+_stepy;
    }

    function beginMoveAd()         
    {
        //启动飘浮
        varId = window.setInterval("moveAd()",moveSpeed);
    }
    //给窗体的load事件附加飘浮函数
    window.onload=beginMoveAd;

